We are going to visit Beijing this winter vocation这里的to是介词吗

We are going to visit Beijing this winter vocation这里的to是介词吗 we are going to visit Beijing on 1 January划线提问visit Beijing he is going to the theatre this evening这里的to是介词吗? we are going to build a school ___ (介词） this area 是in吗 We are going to Beijing by plane this summer holiday. we are going to beijing (beijing 提问) We are going to visit Shanghai Museum this weekend.划线提问.是对Sh 是Can you tell me where are we going to visit this morning还是~ We are going to (visit themuseum) this Sunday.对加括号的部分提问 what are you going to do in the coming winter vocation? ——Lees are going to vist Beijing this winter hoilday.A.The B this sunday we're going to visit